阅读说明：本技术 一种改色仿古涂料 (Color-changing antique paint ) 是由 吴志飞 陈明贵 常红言 于 2020-12-14 设计创作，主要内容包括：本发明公开了一种改色仿古涂料,属于环保涂料领域,所述的改色仿古涂料由以下成分制备：水性甲基纤维素40～60份,有机改色颜料4～6份,有机金属调色料0.4～0.6份,流平剂6～12份,分散剂3～6份；消泡剂1～2份,去离子水5～10份；所述的流平剂为丙烯酸酯或者聚二甲基硅氧烷；所述的分散剂为焦磷酸钠以及聚丙烯酸钠的混合物；所述的有机改色颜料为Fe-2O-3·H-2O、Fe-2O-3、nCdS·CdSe、CdS·BaSO-4、Cr-2O-3中的一种,所述的有机金属调色料为钛白粉以及氧化锌的混合物；本发明通过在水性甲基纤维素的底料中添加各种有机改色颜料,再采用有机金属调色料进行颜色的淡化,仿照古风色彩,最终呈现的色彩真实性好,仿真度高。(The invention discloses a color-changing antique paint, which belongs to the field of environment-friendly paints and is prepared from the following components: 40-60 parts of water-based methyl cellulose, 4-6 parts of organic color-changing pigment, 0.4-0.6 part of organic metal color mixing material, 6-12 parts of flatting agent and 3-6 parts of dispersing agent; 1-2 parts of a defoaming agent and 5-10 parts of deionized water; the leveling agent is acrylate or polydimethylsiloxane; the dispersing agent is a mixture of sodium pyrophosphate and sodium polyacrylate; the organic color-changing pigment is Fe 2 O 3 ·H 2 O、Fe 2 O 3 、nCdS·CdSe、CdS·BaSO 4 、Cr 2 O 3 The organic metal toning agent is a mixture of titanium dioxide and zinc oxide; the invention adds various organic color-changing pigments into the bottom material of the water-based methyl cellulose and adopts organic goldThe color fading of the tinter is realized, the antique wind color is imitated, the finally presented color is good in authenticity, and the simulation degree is high.)

1. The color-changing antique paint is characterized by being prepared from the following components in parts by mass: 40-60 parts of water-based methyl cellulose, 4-6 parts of organic color-changing pigment, 0.4-0.6 part of organic metal color mixing material, 6-12 parts of flatting agent and 3-6 parts of dispersing agent; 1-2 parts of a defoaming agent and 5-10 parts of deionized water;

the leveling agent is acrylate or polydimethylsiloxane; the dispersing agent is a mixture of sodium pyrophosphate and sodium polyacrylate; the organic color-changing pigment is Fe₂O₃·H₂O、Fe₂O₃、nCdS·CdSe、CdS·BaSO₄、Cr₂O₃The organic metal toning agent is a mixture of titanium dioxide and zinc oxide;

in the preparation process of the color-changing antique paint, 5-10 parts of deionized water, 6-12 parts of a leveling agent and 3-6 parts of a dispersing agent are mixed, added into 4-6 parts of an organic color-changing pigment and 0.4-0.6 part of an organic metal color mixing material after mixing and then uniformly mixed, finally the uniformly mixed mixture is added into 40-60 parts of water-based methyl cellulose and 1-2 parts of a defoaming agent, the temperature is increased to 40 +/-5 ℃, the mixture is heated while being mixed, and the uniformly mixed mixture is uniformly mixed into uniform corresponding colors.

2. The paint as claimed in claim 1, wherein the Fe is selected from the group consisting of Fe, Cr, Fe₂O₃·H₂O、Fe₂O₃、nCdS·CdSe、CdS·BaSO₄、Cr₂O₃When the organic color-changing pigment is added, the organic color-changing pigment is firstly mixed in an organic solvent, and the organic solvent is ethyl acrylate.

3. The color-changed antique paint according to claim 1, characterized in that the mass part ratio of the leveling agent to the dispersing agent is 2: 1.

4. The color-changed antique paint according to claim 1, characterized in that the sodium pyrophosphate and the sodium polyacrylate are added in equal parts by mass and in a ratio of 1: 1.

5. The paint of claim 1, wherein the defoamer is a silicone defoamer.

6. The color-changed antique paint according to claim 1, characterized in that the mass part ratio of the organic color-changed pigment to the organic metal tinter is 10: 1, the mass part ratio of titanium dioxide to zinc oxide in the organic metal tinter is 1: 1.

7. the paint as claimed in claim 1, wherein the deionized water, the leveling agent and the dispersant are mixed by ultrasonic mixing.

Technical Field

The invention belongs to the field of environment-friendly coatings, and particularly relates to a color-changed antique coating.

Background

Antique paints, also known as antique art paints, are commonly used in furniture or decorative paints. Along with the higher and higher artistic requirements of people on life, the requirements of the common people on the decoration of furniture are higher and higher, and the decoration is not only limited to common home decoration.

Modern decoration and gradual trend to Chinese wind, a few people in the past can adopt solid wood furniture, the color of the solid wood furniture is biased to cool tone, so that the solid wood furniture is popular with many people, but the price of the solid wood is high, and the solid wood cannot be consumed by the general public, so that more and more imitation solid wood industries are popular, the imitation technology is to add or spray coating biased to cool tone on the surface of a mixed plate, most of the existing coatings on the market are reddish brown, the color is single, and various choices of colorful colors are not achieved, so that the imitation solid wood furniture becomes a research hotspot of technicians in the field for multicolor antique coatings.

Disclosure of Invention

The invention discloses a color-changed antique paint aiming at the defects that most of paints in the prior art are reddish brown and have single color.

The invention is realized by the following steps:

the color-changing antique paint is characterized by being prepared from the following components in parts by mass: 40-60 parts of water-based methyl cellulose, 4-6 parts of organic color-changing pigment, 0.4-0.6 part of organic metal color mixing material, 6-12 parts of flatting agent and 3-6 parts of dispersing agent; 1-2 parts of a defoaming agent and 5-10 parts of deionized water;

the leveling agent is acrylate or polydimethylsiloxane; the dispersing agent is a mixture of sodium pyrophosphate and sodium polyacrylate; the organic color-changing pigment is Fe₂O₃·H₂O、Fe₂O₃、nCdS·CdSe、CdS·BaSO₄、Cr₂O₃The organic metal toning agent is a mixture of titanium dioxide and zinc oxide;

in the preparation process of the color-changing antique paint, 5-10 parts of deionized water, 6-12 parts of a leveling agent and 3-6 parts of a dispersing agent are mixed, added into 4-6 parts of an organic color-changing pigment and 0.4-0.6 part of an organic metal color mixing material after mixing and then uniformly mixed, finally the uniformly mixed mixture is added into 40-60 parts of water-based methyl cellulose and 1-2 parts of a defoaming agent, the temperature is increased to 40 +/-5 ℃, the mixture is heated while being mixed, and the uniformly mixed mixture is uniformly mixed into uniform corresponding colors.

Further, said Fe₂O₃·H₂O、Fe₂O₃、nCdS·CdSe、CdS·BaSO₄、Cr₂O₃When the organic color-changing pigment is added, the organic color-changing pigment is firstly mixed in an organic solvent, and the organic solvent is ethyl acrylate.

Further, the mass part ratio of the flatting agent to the dispersing agent is 2: 1.

Furthermore, the sodium pyrophosphate and the sodium polyacrylate are added in equal parts by mass, and the ratio of the sodium pyrophosphate to the sodium polyacrylate is 1: 1.

Further, the defoaming agent is an organic silicon defoaming agent.

Further, the mass part ratio of the organic color-changing pigment to the organic metal toning material is 10: 1, the mass part ratio of titanium dioxide to zinc oxide in the organic metal tinter is 1: 1.

further, ultrasonic mixing is adopted when the deionized water, the flatting agent and the dispersing agent are mixed.

The beneficial effects of the invention and the prior art are as follows:

according to the invention, the leveling agent of acrylate or polydimethylsiloxane is adopted, so that the coating disclosed by the invention is smooth in surface after being sprayed on wood, and has no rough feeling, and the prepared wood furniture has higher quality;

wherein, the invention adopts Fe₂O₃·H₂O、Fe₂O₃、nCdS·CdSe、CdS·BaSO₄、Cr₂O₃The organic color-changing pigment enables the final antique paint to present different antique colors, meets the aesthetic requirements of people, and meets the requirements of the public.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention more clear, the present invention is further described in detail by the following examples. It should be noted that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

The antique paint prepared by the embodiment is prepared by the following method:

in the preparation process of the color-changing antique paint, 7 parts of deionized water, 12 parts of leveling agent (the leveling agent is acrylate) and 3 parts of dispersing agent (the dispersing agent is a mixture of sodium pyrophosphate and sodium polyacrylate) are mixed, and 5 parts of organic color-changing pigment (the organic color-changing pigment is Fe) is added after mixing in an ultrasonic mixing mode₂O₃·H₂O), and 0.6 part of organic metal toning agent, and finally adding the uniformly mixed mixture into 45 parts of aqueous methyl cellulose and 2 parts of organic silicon defoaming agent, heating to 40 +/-5 ℃, and mixing while heating to uniformly mix into uniform corresponding colors. Specific colors are shown in table 1.

Example 2

The antique paint prepared by the embodiment is prepared by the following method:

in the preparation process of the color-changing antique paint, 10 parts of deionized water, 12 parts of leveling agent (the leveling agent is acrylate) and 6 parts of dispersing agent (the dispersing agent is a mixture of sodium pyrophosphate and sodium polyacrylate) are mixed, and the mixture is added into 6 parts of organic color-changing pigment (the organic color-changing pigment is Fe) in an ultrasonic mixing mode₂O₃) And 0.6 part of organic metal toning agent, and finally adding the uniformly mixed mixture into 60 parts of water-based methyl cellulose and 2 parts of organic silicon defoaming agent, heating to 40 +/-5 ℃, mixing while heating, and uniformly mixing to obtain uniform corresponding colors. Specific colors are shown in table 1.

Example 3

The antique paint prepared by the embodiment is prepared by the following method:

in the preparation process of the color-changing antique paint, 5 parts of deionized water, 6 parts of a leveling agent (the leveling agent is polydimethylsiloxane) and 3 parts of a dispersing agent (the dispersing agent is a mixture of sodium pyrophosphate and sodium polyacrylate) are mixed, an ultrasonic mixing mode is adopted, the mixture is added into 4 parts of organic color-changing pigment (the organic color-changing pigment is nCdS-CdSe and 0.6 part of organic metal color-changing material and then is uniformly mixed, finally the uniformly mixed mixture is added into 60 parts of water-based methylcellulose and 2 parts of organic silicon defoamer, the temperature is increased to 40 +/-5 ℃, the mixture is heated while being mixed, and the uniform corresponding colors are obtained by uniformly mixing, wherein the specific colors are shown in Table 1.

Example 4

The antique paint prepared by the embodiment is prepared by the following method:

in the preparation process of the color-changing antique paint, 6 parts of deionized water, 10 parts of leveling agent (the leveling agent is acrylate) and 5 parts of dispersing agent (the dispersing agent is a mixture of sodium pyrophosphate and sodium polyacrylate) are mixed, and then the mixture is added into 4 parts of organic color-changing pigment (the organic color-changing pigment is CdS-BaSO) in an ultrasonic mixing mode₄) And 0.5 part of organic metal toning agent, and finally adding the uniformly mixed mixture into 50 parts of aqueous methyl cellulose and 2 parts of organic silicon defoaming agent, heating to 40 +/-5 ℃, mixing while heating, and uniformly mixing to obtain uniform corresponding colors. Specific colors are shown in table 1.

Example 5

The antique paint prepared by the embodiment is prepared by the following method:

in the preparation process of the color-changing antique paint, 7 parts of deionized water, 8 parts of flatting agent (the flatting agent is polydimethylsiloxane) and 4 parts of dispersing agent (the dispersing agent is a mixture of sodium pyrophosphate and sodium polyacrylate) are mixed, and the mixture is added into 6 parts of organic color-changing pigment (the organic color-changing pigment is Cr)₂O₃) And 0.5 part of organic metal toning agent, and finally adding the uniformly mixed mixture to 55 parts of water-based methyl cellulose and 1 part of water-based methyl celluloseThe organic silicon defoamer is heated to 40 +/-5 ℃, and is mixed while being heated, and the mixture is uniformly mixed into uniform corresponding colors. Specific colors are shown in table 1.

TABLE 1

	Example 1	Example 2	Example 3	Example 4	Example 5
						Colour(s)	Iron oxide yellow	Iron oxide red	Cadmium Red	Cadmium Red	Chromium oxide green
Surface flatness	Is smooth and smooth	Is smooth and smooth	Is smooth and smooth	Is smooth and smooth	Is smooth and smooth

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.